NPPES file of Aug 9, 2026

John Lloyd Fust, M.D.

Emergency Medicine Physician · Santa Cruz, CA

John Lloyd Fust, M.D. is an emergency medicine physician with a practice address in Santa Cruz, California, and NPI 1891821633, issued on Feb 26, 2007. Check the license (California G47866, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891821633
Name
John Lloyd Fust
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G47866 CA
Self-reported in NPPES; status is on the state search
Practice location
1555 Soquel Dr, Santa Cruz, CA 95065
Phone
(831) 462-7710
Enumerated
Feb 26, 2007
Record last updated
Dec 16, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20081212000384); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1555 Soquel Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paul Angelo, RNFamily Nurse Practitioner1750268793
  2. Francisco Arrieta, MDFamily Medicine Physician1861232498
  3. Vivian Banh, DOAnesthesiology Physician1992332662
  4. James Bergum, CCPPerfusionist1073148235
  5. Upasna Bhuria, MDAnesthesiology Physician1700020575
  6. Daniel BishopStudent in an Organized Health Care Education/Training Program1407507304

Verify John Lloyd Fust in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G47866
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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61% fewer Medicare Part D claims than the average emergency medicine physician in 2024

89 Medicare Part D claims for 67 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. John Fust89
  2. Specialty average226

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSanta Cruez, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Lloyd Fust among 7,751 emergency medicine physician records in California

John Lloyd Fust, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 50% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1981 · median 2011 among the 4,560 with a school on file
  • Record last updated2011 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Alan Buchwald, M.D.Santa Cruz, CA 950651174667075
  2. John Christensen, M.D.Santa Cruz, CA 950651679609507
  3. David Danish, D.O.Santa Cruz, CA 950651861466948
  4. Sarah Feldmann, D.O.Santa Cruz, CA 950651629271143
  5. John Grady, D.O.Santa Cruz, CA 950651023270063
  6. William Hencke, MDSanta Cruz, CA 950651194868166
  7. Terry Lapid, M.D.Santa Cruz, CA 950651396887287
  8. Andrew Nevitt, MDSanta Cruz, CA 950651073649513

Common questions

What is John Lloyd Fust, M.D.'s NPI number?

John Lloyd Fust, M.D.'s National Provider Identifier (NPI) is 1891821633, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Lloyd Fust, M.D. located?

The NPPES record lists a practice address at 1555 Soquel Dr, Santa Cruz, CA, 95065. Phone: (831) 462-7710. Providers update this record themselves, so call before visiting.

How can I verify John Lloyd Fust, M.D.'s license?

NPPES lists California license number G47866, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Lloyd Fust, M.D. prescribe under Medicare Part D?

In 2024, John Lloyd Fust, M.D. had 89 Medicare Part D claims for 67 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.